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International Automotive Technicians Network
Re: P0171
Posted to Technical Discussion Forum on 2/24/2014 1 Reply

[...trimmed text...]

A vacuum leak at the pressure relief door on the end of the intake manifold.

1997 Oldsmobile Aurora, ECM/Inputs/Outputs Scan Data

2002 Toyota Celica GT, ECM/Inputs/Outputs Scan Data

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